<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <base href="/assets/">
  </head>
  <body>
    <img alt="relative to base" src="gpl.png"/>
    <img alt="subdirectory relative to base" src="folder/assets/barrel.png"/>
    <img alt="back relative to base" src="../gpl.png"/>
  </body>
</html>
